117553-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117553-19-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,5,5 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 117553-19:
(8*1)+(7*1)+(6*7)+(5*5)+(4*5)+(3*3)+(2*1)+(1*9)=122
122 % 10 = 2
So 117553-19-2 is a valid CAS Registry Number.